Home / Forums / Melodica construction, repair and maintenance / Improving responsiveness of certain keys / Reply To: Improving responsiveness of certain keys Reply To: Improving responsiveness of certain keys February 26, 2014 at 12:33 pm #1902 RodrigoParticipant Great video man, nice work. I am happy it worked. Enjoy your Yamaha P32D, it’s a jewel. Bye!